In one or two sentences, explain the difference between rational and irrational numbers.
What is rational numbers are numbers that can written as simple fractions, such as 1/2 or 3.6666.... while irrational numbers are numbers that can written as decimals but not as simple fractions, like 3.21978789832544.
100
Express 86.9 in scientific notation.
What is 8.69 x 10^1?
100
Ratio of stars to stripes on the American flag.
What is 50:13, 50 to 13, 50/13?
100
Identify the prime number from this set: 1, 18, 27, 47.
What is 47?
100
Square root of 81
What is 9?
200
The square root of 181 is rational or irrational.
What is irrational?
200
1.38 x 10^-3 in standard notation.
What is 0.00138?
200
Mike runs 12 miles in 2 hours. The distance he runs in 30 minutes.
What is 3 miles?
200
The prime factorization of 124.
What is 2 x 2 x 31 = 2^2 x 31?
124
2 62
2 31
200
The value of 19^2.
What is 361?
300
[-3] + [4]
What is 7?
300
Express a x a x b x b x b using exponents
What is a^2 b^3 ?
300
On a scale, 1 inch = 78 feet. The actual height of a building that is 3 inches on the blueprint.
What is 234?
300
List all the factors of 26.
What is 1, 26, 2, 13?
300
The two shorter legs of a triangle are 3cm and 4cm. The length of the third leg in cm.
What is 5cm?
400
The location of points B and C on the number line.
What is -3, 4?
400
(3/4) to the 2nd power.
What is 9/16?
400
An equivalent ratio for 2/5.
What is 4/10, 6/15, 8/20...?
400
Write the prime factorization for 88 using exponents.
What is 11 x 2 x 2 x 2 = 11 x 2^3
88
8 11
2 4
2 2
400
The square root of 136. Estimate to the nearest tenth.
What is 11.6 or 11.7?
500
Order the following numbers from least to greatest:
0.5, 1/8, 1.5, 75%
What is 1/8, 0.5, 75%, 1.5?
500
Express 7,842 using powers of ten.
What is (7 x 10^3) + (8 x 10^2) + (4 x 10) + (2 x 10^0)
500
A rectangle is 25cm long and 12cm wide. A similar rectangle is 3cm wide. The length in cm.
What is 6.25 cm?
500
The lowest common multiple of 3 and 19.
What is 57?
500
The third side of a right triangle whose hypotenuse is 15cm and another side measures 12 cm.